90395140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1637}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 208039104

約数和(自身を除く): 117643964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 1004, 1255, 1637, 2510, 2761, 3274, 5020, 5522, 6548, 8185, 11044, 13805, 16370, 18007, 27610, 32740, 36014, 55220, 72028, 90035, 180070, 360140, 410887, 821774, 1643548, 2054435, 4108870, 4519757, 8217740, 9039514, 18079028, 22598785, 45197570, 90395140]

約数ペア:

[(1, 90395140), (2, 45197570), (4, 22598785), (5, 18079028), (10, 9039514), (11, 8217740), (20, 4519757), (22, 4108870), (44, 2054435), (55, 1643548), (110, 821774), (220, 410887), (251, 360140), (502, 180070), (1004, 90035), (1255, 72028), (1637, 55220), (2510, 36014), (2761, 32740), (3274, 27610), (5020, 18007), (5522, 16370), (6548, 13805), (8185, 11044)]